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тАО11-02-2010 07:24 AM
тАО11-02-2010 07:24 AM
ML350 G6 Disappointing Disk Read Speeds
I created a 1+0 volume with 2 drives and a Raid 5 volume with the remaining 4 drives. All drives show that they are connected at 6GBPS.
My disappointment is that when I run HDTune on the Raid 5 volume, it is only reading a max of 155 MB/Sec. I recently had a similarly configured Dell PE T610 read at over 250 MB/sec.
In the ACU, I have the Array Accelerator enabled on all drives and even tried enabling "Write Cache When Battery/Capacitor Not Present or Charged".
Has anyone figured out how to get +200 MB/Sec read speed out of this server???
(I did try a 1+0 array with the 4 drives and it only bumped me up to 180 MB/sec)
Thanks!
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тАО11-03-2010 08:09 AM
тАО11-03-2010 08:09 AM
Re: ML350 G6 Disappointing Disk Read Speeds
Is HDTune running a read test or a write test?
good luck!
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тАО11-03-2010 08:25 AM
тАО11-03-2010 08:25 AM
Re: ML350 G6 Disappointing Disk Read Speeds
HD Tune was only reading, not writing.
Attached is ACU diagnostic report.
BTW - The server is running Windows Server 2008.
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тАО11-03-2010 08:41 AM
тАО11-03-2010 08:41 AM
Re: ML350 G6 Disappointing Disk Read Speeds
From the adu report:
Total Controller Memory Size 256 MB (0x0100)
Percent Read Cache 100% (0x64)
Percent Write Cache 0% (0x00)
Default Percent Read Cache 100% (0x64)
Default Percent Write Cache 0% (0x00)
Installed Batteries 0x0000
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тАО11-17-2010 07:08 PM
тАО11-17-2010 07:08 PM
Re: ML350 G6 Disappointing Disk Read Speeds
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тАО11-18-2010 03:47 AM
тАО11-18-2010 03:47 AM
Re: ML350 G6 Disappointing Disk Read Speeds
Maybe try a different benchmark?
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тАО11-19-2010 07:19 AM
тАО11-19-2010 07:19 AM
Re: ML350 G6 Disappointing Disk Read Speeds
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тАО11-19-2010 08:58 AM
тАО11-19-2010 08:58 AM
Re: ML350 G6 Disappointing Disk Read Speeds
I believe the cache is enabled, that it always has been, even before I put the battery in.
Again, it came with the Embedded P410i/256MB controller.
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тАО11-19-2010 09:24 AM
тАО11-19-2010 09:24 AM
Re: ML350 G6 Disappointing Disk Read Speeds
What benchmark would you recommend?
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тАО11-19-2010 09:30 AM
тАО11-19-2010 09:30 AM